MAY 00/ S-8
KHAN/KSU
Text Box: MEDIANET Networking and Media Communications Research Laboratory
MEDIANET
 Networking and Media Communications Research Laboratory
MPEG-2  Rate Control
Measure local
activity
Source picture
Nomralizd
picture
 activity
Compute
mquant
Code
blocks
Read buffer
status
Buffer fullness
Estimated Target
Buffer fullness
Bit allocation
Parameter file
 It is a dynamic feedback control system.  Piecewise CBR system with two primary control points.
Acuity control  a(t)
Rate control  a(t)